多项选择题
Select the three best answers which best describe Private Network-to Network Interface （PNNI） in an ATM network.（）
A.It is the Routing protocol used between ATM switches
B.PNNI uses the same Dijsktra algorithm for SPF calculation
C.PNNI and OSPF use the same Database to make cohesive decision for packet forwarding
D.PNNI measures line capacities and delays in addition to simple cost metrics
相关考题
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单项选择题
WhatOSPFLSAisusedtosupportMPLS-trafficEngineering？（）
A.External LSA （Type 5 ）
B.Opaque LSA （Type 9 ）
C.Opaque LSA （Type 10 ）
D.Opaque LSA （Type 11 ）
E.NSSA LSA （Type 7 ） -
多项选择题
SelectthetwoanswersthatbestdescribetheIPEventDampeningfeature（）
A.The IP Event Dampening uses exponential decay mechanism to suppress the effects of excessive interface flapping
B.BGP Operators use IP Event Dampening to suppress the effect of unstable internet Routes
C.The IP Event Dampening works with routing protocols by stopping the announcement of dampened interface subnets in their updates
D.When IP Event Dampened internet routes resch their re-use limit BGP installs them in the Routing Table and announces them to other BGP speakers -
单项选择题
WhatbitshouldbesetinthelinkstatePDUsinanIS-ISlevel-1-2routertoindicatethattheyareapotentialexitpointoutofthearea？（）
A.ATT（Attached）bit
B.IS-Type bits
C.P（Partition）bit
D.Down bit
E.PN（Pseudonode）biy
F.ABR（Area Border Rorter）bit
